add initial marp implementation with sample content and build configuration

node_modules/speech-rule-engine/mjs/enrich_mathml/case_table.js

@@ -0,0 +1,45 @@
+import * as DomUtil from '../common/dom_util.js';
+import { SemanticType } from '../semantic_tree/semantic_meaning.js';
+import { MMLTAGS } from '../semantic_tree/semantic_util.js';
+import { AbstractEnrichCase } from './abstract_enrich_case.js';
+import * as EnrichMathml from './enrich_mathml.js';
+import { setAttributes } from './enrich_attr.js';
+export class CaseTable extends AbstractEnrichCase {
+    static test(semantic) {
+        return (semantic.type === SemanticType.MATRIX ||
+            semantic.type === SemanticType.VECTOR ||
+            semantic.type === SemanticType.CASES);
+    }
+    constructor(semantic) {
+        super(semantic);
+        this.inner = [];
+        this.mml = semantic.mathmlTree;
+    }
+    getMathml() {
+        const lfence = EnrichMathml.cloneContentNode(this.semantic.contentNodes[0]);
+        const rfence = this.semantic.contentNodes[1]
+            ? EnrichMathml.cloneContentNode(this.semantic.contentNodes[1])
+            : null;
+        this.inner = this.semantic.childNodes.map(EnrichMathml.walkTree);
+        if (!this.mml) {
+            this.mml = EnrichMathml.introduceNewLayer([lfence].concat(this.inner, [rfence]), this.semantic);
+        }
+        else if (DomUtil.tagName(this.mml) === MMLTAGS.MFENCED) {
+            const children = this.mml.childNodes;
+            this.mml.insertBefore(lfence, children[0] || null);
+            if (rfence) {
+                this.mml.appendChild(rfence);
+            }
+            this.mml = EnrichMathml.rewriteMfenced(this.mml);
+        }
+        else {
+            const newChildren = [lfence, this.mml];
+            if (rfence) {
+                newChildren.push(rfence);
+            }
+            this.mml = EnrichMathml.introduceNewLayer(newChildren, this.semantic);
+        }
+        setAttributes(this.mml, this.semantic);
+        return this.mml;
+    }
+}